Route
BOI → OAK
Boise Air Terminal/Gowen Field Oakland San Francisco Bay Airport
Alerts at BOI and OAK
How punctual is this route?
- On-time arrivals
- 83.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 529
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 69%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.3% | 52 |
| October 2025 | 81.1% | 53 |
| November 2025 | 84.7% | 59 |
| December 2025 | 85.5% | 62 |
| January 2026 | 89.8% | 59 |
| February 2026 | 87.3% | 55 |
| March 2026 | 85.3% | 34 |
| April 2026 | 84.8% | 33 |
| May 2026 | 77.1% | 35 |
| June 2026 | 56.7% | 30 |
| July 2026 | 63.3% | 30 |
| August 2026 | 92.6% | 27 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 529 | 83.2% | 0.0% | 61 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN4539
43% late · 60 flights
-
WN855
17% late · 58 flights
-
WN2963
12% late · 42 flights
-
WN2243
10% late · 41 flights
-
WN1384
14% late · 36 flights
-
WN4634
0% late · 31 flights
-
WN1209
11% late · 28 flights
-
WN1381
7% late · 27 flights
-
WN1383
7% late · 27 flights
-
WN2259
4% late · 24 flights
-
WN3190
17% late · 24 flights
-
WN1445
48% late · 21 flights
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